/*
 * Copyright 2016 Red Hat Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.vertx.mqtt.messages;

import io.vertx.codegen.annotations.CacheReturn;
import io.vertx.codegen.annotations.VertxGen;

/**
 * Represent the interface for each MQTT message
 */
@VertxGen(concrete = false)
public interface MqttMessage {

  /**
   * @return  Message identifier
   */
  @CacheReturn
  int messageId();
}
